Home / 406,736.82-609,908.40-140,403.96

Finding the Fourth Proportional to 406,736.82, 609,908.40 and 140,403.96

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Solution

The fourth proportional to 406,736.82, 609,908.40 and 140,403.96 is: 210,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,736.82 : 609,908.40 = 140,403.96 : x
  2. Step 2: Convert to fraction form
    406,736.82/609,908.40 = 140,403.96/x
  3. Step 3: Cross multiply
    406,736.82x = 609,908.40 × 140,403.96
  4. Step 4: Simplify right side
    406,736.82x = 85,633,554,597.26
  5. Step 5: Solve for x
    x = 85,633,554,597.26/406,736.82
  6. Step 6: Final answer
    x = 210,538.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.